Car buffer and end sill.



T. L. Mo KEE N. GAB. BUFFER AND END SILL.

APPLICATION FILED APR.12,1909.

1,01 6,701 v Patented Feb. 6, 1912.

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GAR BUFFER AND END SILL.

APPLICATION FILED APR. 12,1909.

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GAR BUFFER AND END SILL. APPLICATION FILED APR.12,1909.

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THOMA$ L. MCKEEN, 0F EASTON, PENNSYLVANIA.

can BUFFER AND Eula sIL'L.

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Specification of Letters Patent.

Patented Fol). 8, 1912.

Application filed April 12:1909. Scria1 No. 489,271.

To all whom it may come m Be it known that I, THOMAS L. McKcnN, a citizen of the United States, residing at Easton, in the county of Northampton .and State of Pennsylvania, haveinvented a new and useful Improvement in Car Butlers and End Sills, of which the following is a specification. I

'lflris invention relates more particularly to improvements in balling apparatus intended for use on freight cars ha vino; hollow n'ietallic end sills, tor supplementing the boiling action of the draft gear.

One of the principal objects of tho inven tion is; to provide a. combined end sill and butter construction in which the hollow end sill itself constitutes the containing box or casing for the movable parts of the butting apparatus, whereby the necessity of a separate box or casing for the butting apparatus is avoided and the cost and *(lgl'lh oi the apparatus consequently materially reduced, while at the same time the boiling apparatus does not project out from the end of the car but is practically hidden from View in the end sill and-inclosed and protected thereby.

Another object to provide a triclion butting; apparatus of high capacity which is' nevertheless of compact, strong, simple and inexpensive construction.

in the accompanying, drawings, consisting ext three sheets. Figure 1 is a tragmei'itary plan View, partly in section, ot' a metallic.

car under frame provided with a butling apparatus embodying the invention. Fig. 2 is a longitudinal sectional elevation, on an enlarged scale, of the end sill and huffing apparatus. Fig. 3 is a. sectional plan thereet in line 33, Fig. 2. Fig. 1 is a front ole ration, pa-rtlyin section, thereof. Fig. 5 is a transverse sectional elevation thereof in line 5 5, Fig. 2.

Like reference characters refer to like parts in. the several figures.

A represents the end sill, B B and respectively the center, intermediate .and side sillsfl the coupler, c the coupler shank or drawbar, and D the draft gear of a frei ht car.

end sill El is hollow and preferably consisis of a single-piece steel casting having vertical crosswebs a therein at suitable intervals for strengthening it, and provided centrally with brackets or portions a Which-extend rearwardly therefrom for the attaclunent oi the cente and draft sills and the inner or rear ends'oi which constitute front stops or abutn'ients for the draft gear. These brackets (1. also depend below the end sill, and the drawbar is confined laterally betweentl em and is supported by a bar u? conncciiu;the bottoms of the brackets. The end sill is also shown as provided with suitable lugs or pockets (1, tor connecting it to the adjacent ends of the longitudinal sills ll and B The coupler C and draft gear l) maylhe oi" any usual or suitable construction. The rear portion of the head of the coupler extends upwardly above the drawhar in front of the end sill. as usual, forming a.

horn or projection c with an upright rear or inner taco which the butter.

E represents a. butter head Winch is arutilized for operating;

ranged to more fore and aft oi? the car in a.

central chamber l Formed in the 0nd sill lietween the cross webs a at the middle portion o'tthe sill. The outer end oi? this hull'er head projects out tl'irou'gh an opci'iing j in the outer wall. of the end sill in rear of t to projection c of the drawhead so to be moved inwardly thereby when the coupler is pushed inwardly 111 butting. the butter head is provided at opposite sides. within the chamber F, with wedge portions y liar ing inclined outer tacos which bear and are adapted to slide against. correspondingly in- (lined faces on friction blocks G which are bodily movable laterally or sidcwisc' of the car in: the chamber F.

Springs ll arranged between the friction blocks (l and the end walls of the butter chamber F to he made shorter. or the middle against the friction faces of the butler head and resist the spreading of the friction blocks caused by. the inward movement of the bu'li cr head. Each springpreferably consists of a number of bowedspring plates or leaves arranged on edge. as such springs have a great capacity and occupy the minimum space, thus permitting the buffer cl'ian'iber l to he made shorter, or the middle cross webs a to be located nearer the center of the end sill where they are needed for strengthening this part of the end. sill.

l. represents a release spring" whicl i suppleinents the leai springs in resisting the in.

ward movement of the butter head and insures the return of the butler head to the initial position after the pressure on the head which forces it inwardly is remorwl.

This spri butler chamber and extends into a cavity and confining the parts of preferably arranged in the provided for it in the buffer head, and con sists of inner and outerspring coils, but this arrangement is not absolutely essential.

The several parts of the buffer-are inserted into the chamber F through the opening f in the outer wall thereofpandare retained in the chamber by cover plates K which partly close the opening f'in the outer wall of the end' sill and are adapted to engage outwardly facing shoulders is at opposite sides of the buffer head,to limit the outward movement of the buffer head. In the construction shown, these cover plates, see Figs. and 4, are slid' into place between grooved lugs is on the outer wall of the end sill and are secured by bolts 7?. Any otl ersuitable means for covering .the opening f the butler in the louder chamber F could be used.

In the normal position of the parts, the buffer head is held in a position to leave a space between the same and the horn c of the coupler which allows an inward move ment of the coupler for coupling cars that is LLSlsiir only by the draft gear 1).- VVhen the coupler is driven farther, inwardly in bulling, the born 0 strikes the butler-head and moves it inwardly against the resistance of the friction bailing apparatus in the end sill ,which thus supplements the resistance of the draft gear D and permits the use of a light draftgear which alone would not have the T pulling capacity required on freight cars;

The buiiing apparatus constructed and arranged in the end sill described adds but little to the cost of the car.

I claim as mygi'nvention: I

1. The combnuation with a car having a hollow metal end sill, of a coupler havin a drawbar extending under the end sill ant l a part projecting upwardly in front of the end sill, a draft gear for said coupler, a bufferhead arranged in said hollow end sill in rear of said projection on the coupler and adapted to be moved inwardly by' the upwardly projecting part of said coupler, and friction resistance devices arranged i-n'said -hollow end sill at opposite sides of said buffer head and exerting pressure laterally against said butler head to resist the inward movement thereo substantially as set forth. i

The combination in a car with a hollow metal end sill, of a coupler: having a drawba'r extending under the end sill and a part projecting upwardly in front of theend sill,

.a draft gear for said coupler r hollow buffer head arranged in said hollpw end sill and. pro ecting out of the same in position to be.

engaged and moved inwardly by said projection on the coupler after an initial movement of said coupler, friction resistance devlces arranged in said end sill at opposite sides of said butler head, and a release spring for said buffer located in the hollow leaf springs in said end sill which bear- .against the outer sides of said illCllOll blocks and press said friction blocks against said wedges, and a coil release spring f01' S1ld buffer, substantially as set forth.

4. The combination in a car with a hollow metal end silhof a coupler having a draw bar extending under the hollow end sill, and a part projecting upwardly in front of the end sill, a draft gear for said coupler, a hollowbuiler head arral'igcd in said hollow end sill and projecting out of the same in posi* tion to be engaged and moved inwardly by .said projection on the coupler, said buffer head having wedge faces on its opposite sides, laterally movable friction blocks in.

said hollow end sill which bear against the wedge fdces ,of said bu Her head, springs in said end sill ivhich press said. friction blocks against said wedge faces, and a release spring for said butler located in said hollow buffer head,substantially as set forth.

5.111 a can-the-combination of amcl'al end sill provided centrally with a buffer chamber having an opening in its outer wall, a coupler, a dral'tgear for said coupler, a

and adapted to be forced inwardly by the .buifer head arranged in said buficr chamber cou ler resistance devices arran cd in said i buffer chamber at opposite sides of said buffor head, and means for closing said opening of the buffer chamber at opposite sides of the buffer head and retaining the buffer head andresistance devices in said chamber, substantially as set forth.

v .Witness my hand, this 3rd day of April,

. 'TI'IOlMAS L. MiGKEllllh, Witnesses:

- C. VVJPARKER, G. B. HORNBEGK.

It is hereby lrertified that in Letters Patent N0. 1,016,701, granted February 6, 1912, upon the application of 'lhqmus L. McKeen, of Easton, Pennsylvania, for

l Y I I a u I am unprcvvement in Car Bufler and land bills," an error appears in the printed specification requiring vorre'ction as follows: Page 1, line 94', strike out the words to bmade shorter, or'tlie middle and insert the. Words rays /16 frz'ciz'mz LZUFZR forcibly; and thzi ttlue said Letters Patent should be read with this (iorrectioli therein that, thfi same may ccnfdrm to the record of the case 1n the Patent ()lliue.

Signed and fiEfllPd this 2nd day of April, A. 1)., 1912.

U. G. BILLINGS,

[SEAL] Acting Clnm/nfssz'maer of Pa ia 111s. 

